German metal band SACRED GATE started out as an IRON MAIDEN tribute band named MADE OF IRON. On their 2013 concept album "Tides of War", they went back to their roots and did a historical epic in the MAIDEN style.
Swedish vocalist Nils Patrik Johansson has earned praise for sounding like the late, great, Ronnie James Dio. I own albums by two of Johansson's bands, ASTRAL DOORS and LION'S SHARE. The ASTRAL DOORS song "Pull the Break" has more than a passing resemblance to DIO's "I Speed at Night".